Home / 529,488,223.20-794,232,334.80-257,390,431.20

Finding the Fourth Proportional to 529,488,223.20, 794,232,334.80 and 257,390,431.20

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Solution

The fourth proportional to 529,488,223.20, 794,232,334.80 and 257,390,431.20 is: 386,085,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,488,223.20 : 794,232,334.80 = 257,390,431.20 : x
  2. Step 2: Convert to fraction form
    529,488,223.20/794,232,334.80 = 257,390,431.20/x
  3. Step 3: Cross multiply
    529,488,223.20x = 794,232,334.80 × 257,390,431.20
  4. Step 4: Simplify right side
    529,488,223.20x = 204,427,803,127,154,752
  5. Step 5: Solve for x
    x = 204,427,803,127,154,752/529,488,223.20
  6. Step 6: Final answer
    x = 386,085,646.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.